Rockwell-automation 1791ES-IB16 CompactBlock Guard I/O EtherNet/IP Saf User Manual download pdf (Page 4)

4 CompactBlock Guard I/O EtherNet/IP Safety Modules

Publication

1791ES-IN001C-EN-P - September 2009

Environment and Enclosure

ATTENTION

This equipment is intended for use in a Pollution Degree 2 industrial

environment, in overvoltage Category II applications (as defined in IEC

60664-1), at altitudes up to 2000 m (6562 ft) without derating.

This equipment is considered Group 1, Class A industrial equipment

according to IEC/CISPR Publication 11. Without appropriate

precautions, there may be potential difficulties with electromagnetic

compatibility in residential and other environments due to conducted

and radiated disturbances.

This equipment is supplied as open-type equipment. It must be

mounted within an enclosure that is suitably designed for those

specific environmental conditions that will be present and

appropriately designed to prevent personal injury resulting from

accessibility to live parts. The enclosure must have suitable

flame-retardant properties to prevent or minimize the spread of flame,

complying with a flame spread rating of 5VA, V2, V1, V0 (or

equivalent) if non-metallic. The interior of the enclosure must be

accessible only by the use of a tool. Subsequent sections of this

publication may contain additional information regarding specific

enclosure type ratings that are required to comply with certain

product safety certifications.

Besides this publication, see:

• Industrial Automation Wiring and Grounding Guidelines, for

additional installation requirements, publication 1770-4.1

• NEMA Standards 250 and IEC 60529, as applicable, for

explanations of the degrees of protection provided by different

types of enclosure.

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Rockwell-automation 1791ES-IB16 CompactBlock Guard I/O EtherNet/IP Saf User Manual Page 4